package com.itheima.service;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.stereotype.Service;

@Service
public class DataSourceService {

    @Autowired
    private JdbcTemplate jdbcTemplate;

    public String testConnection() {
        //TODO 进行查询操作
        return null;
    }
}